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Change Log
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<h1>Change Log</h1>

<h2>Next Version (unreleased)</h2>
<ul>
<li>Issue #1475: Dropping column used by a view produces misleading error message
</li>
<li>Issue #1473: TestScript needs better detection of sorted result
</li>
<li>PR #1471: issue 1350: TestCrashAPI: PageStore.freeListPagesPerList
</li>
<li>PR #1470: Fix window functions in queries with HAVING
</li>
<li>PR #1469: Forbid incorrect nesting of aggregates and window functions
</li>
<li>Issue #1437: Generated as Identity has a different behaviour.
</li>
<li>PR #1467: Fix subtraction of timestamps
</li>
<li>PR #1464: Assorted minor changes in window processing code
</li>
<li>PR #1463: Fix some window aggregates and reduce amount of collecting implementations
</li>
<li>PR #1462: Separate aggregate and window code in some places
</li>
<li>PR #1461: Add WINDOW clause support
</li>
<li>Issue #1427: Scalability problem in MVSpatialIndex
</li>
<li>PR #1459: Improve window clause correctness checks
</li>
<li>PR #1457: Add NTILE(), LEAD() and LAG() window functions
</li>
<li>PR #1456: Add experimental implementation of remaining types of window frames
</li>
<li>PR #1454: Add FIRST_VALUE(), LAST_VALUE(), and NTH_VALUE()
</li>
<li>PR #1453, Issue #1161: Add ROW_NUMBER(), RANK(), DENSE_RANK(), PERCENT_RANK(), and CUME_DIST() window functions
</li>
<li>PR #1452: Reset aggregates before reuse
</li>
<li>PR #1451: Add experimental support for aggregates with OVER (ORDER BY *)
</li>
<li>PR #1450: Evaluate window aggregates only once for each partition
</li>
<li>PR #1449: Move more code from Aggregate and JavaAggregate to AbstractAggregate
</li>
<li>PR #1448: Add experimental implementation of grouped window queries
</li>
<li>PR #1447: Refactor OVER() processing code and fix some issues
</li>
<li>PR #1446: fix : The French messages are bad generated (not contain DB message)
</li>
<li>PR #1445: Use PostGIS-compatible format for SRID-only constraint in GEOMETRY
</li>
<li>PR #1444: Add experimental unoptimized support for OVER ([PARTITION BY ...]) in aggregates
</li>
<li>PR #1442: Bugfix - Release MVStore lock and file resources rightly even if errors when compacting database
</li>
<li>PR #1441: Add GEOMETRY type subtypes with type and SRID constraints
</li>
<li>PR #1434: Add support for ENUM in CAST and other changes
</li>
<li>PR #1431: Fix some inconsistencies in documentation and improve mvn build
</li>
<li>PR #1428: Add support for M and ZM dimensions to GEOMETRY data type
</li>
<li>Issue #1405: Introduce LocalResult factory
</li>
<li>PR #1422: Add ENVELOPE aggregate function
</li>
<li>Issue #1421: Remove old-style outer join
</li>
<li>PR #1419: Assorted minor changes
</li>
<li>PR #1414: DEFRAG and COMPACT mixup
</li>
<li>PR #1413: improvements to MVStore garbage collection
</li>
<li>PR #1412: Added org.h2.store.fs package to exported osgi bundles
</li>
<li>PR #1409: Map all remaining error codes to custom exception classes
</li>
<li>Issue #1407: Add a MODE() aggregate function
</li>
<li>PR #1402: Duplicate conditions in column check constraint
</li>
<li>PR #1399: Add more subclasses of SQLException and use it for some error codes
</li>
<li>PR #1397: Add DATEADD return type detection
</li>
<li>Issue #1393: Add INFORMATION_SCHEMA.COLUMNS.IS_VISIBLE
</li>
<li>PR #1392: Some refactoring and assorted minor optimizations
</li>
<li>PR #1388: Extract UnaryOperation from Operation and other changes
</li>
<li>PR #1386: DISK_SPACE_USED() for MVStore and other minor changes
</li>
<li>PR #1385: split up the rather large convertTo method
</li>
<li>PR #1384: Throw exception if unknown mode is specified in database URL
</li>
<li>Issue #1365, PR #1382: Parse more date-time literals for compatibility with other databases
</li>
<li>PR #1381: Minor fixes for INTERVAL data type
</li>
<li>PR #1380: Improve documentation of intervals
</li>
<li>Issue #1189: "Merge into using" parameters aren't found
</li>
<li>Issue #1377: org.h2.api.Interval and TIME leftovers
</li>
<li>PR #1376: TestMultiThreadedKernel is back
</li>
<li>PR #1373: INTERVAL data type
</li>
<li>Issue #1369: In MSSQL Server Mode generated UUID fields need NEWID() function
</li>
<li>Issue #756: FunctionsMySql is not in the main jar
</li>
<li>PR #1368: Parse BINARY VARYING, BINARY LARGE OBJECT, and CHARACTER LARGE OBJECT
</li>
<li>PR #1367: Assorted changes with SELECT output limitation clauses
</li>
<li>Issue #1363: Why H2 requires random own packages in OSGi bundle description?
</li>
<li>Issue #1192: Add an Automatic-Module-Name
</li>
<li>Issue #1361, PR #1362: Add limited support for MONEY and SMALLMONEY in compatibility modes
</li>
<li>Issue #1327: mvn build misses some resources
</li>
<li>PR #1359: Add system property to return OffsetDateTime from ResultSet.getObject()
</li>
<li>PR #1357: Simplify execution flow in some places
</li>
<li>PR #1356: Fix NPE in Query.initExpression()
</li>
<li>PR #1355: Assorted changes in MetaTable
</li>
<li>Issue #1352: TestCrashAPI: Prepared.getObjectId() was called before
</li>
<li>PR #1349: Changes is conversion and comparison methods of Value
</li>
<li>Issue #1346: Exception when using IN condition for enums
</li>
<li>PR #1345: Replace some init methods with constructors
</li>
<li>PR #1344: Streamline last chunk verification on startup
</li>
<li>PR #1341: Optimize MVSecondaryIndex.convertToKey()
</li>
<li>PR #1340: NoSuchElementException instead of returning null
</li>
<li>PR #1339: Add support of TIMESTAMP WITH TIME ZONE to addition and subtraction operators
</li>
<li>PR #1337: Streamline Value comparison
</li>
<li>PR #1336: Minor refactorings
</li>
<li>Issue #1332: Constraint name not set correctly
</li>
<li>Rename fields to reflect actual type
</li>
<li>Issue #1331: Regression in Database.updateMeta()
</li>
<li>Issue #1323: Slow update after altering table in 1.4.197
</li>
<li>PR #1326: Add support of PERCENT in FETCH and TOP clauses
</li>
<li>PR #1325: Optimize WITH TIES in some queries and specify data types for KEY_COLUMN_USAGE
</li>
<li>PR #1321: Do not add rows before OFFSET to result if possible
</li>
<li>PR #1319: Treat NEXTVAL as an auto-generated key
</li>
<li>PR #1318: Mode append fo MVPlainTempResult
</li>
<li>PR #1314: Add ALTER VIEW RENAME command
</li>
<li>PR #1313, issue #1315: Bugfix - using default locale encoding issue in conversion between varchar and varbinary value, and checking javac output text issue in SourceCompiler
</li>
<li>PR #1312: Add Java 9+ support to NIO_CLEANER_HACK
</li>
<li>PR #1311: Fix minor issues with ResultSet.getObject(..., Class) and WITH TIES
</li>
<li>Issue #1298: TestKillRestartMulti: A map named undoLog.2 already exists
</li>
<li>Issue #1307: Invalid value "null" for parameter "calendar" [90008-193]
</li>
<li>PR #1306: Add initial implementation of WITH TIES clause
</li>
<li>PR #1304: Update changelog and fix building of documentation
</li>
<li>PR #1302: Use OpenJDK instead of OracleJDK 10 in Travis builds due to Travis problem
</li>
<li>Issue #1032: Error when executing "SELECT DISTINCT ON"
</li>
<li>Issue #1295: ConditionInSelect violates requirements of LocalResult
</li>
<li>PR #1296: Assorted minor changes
</li>
<li>PR #1293: Move HELP and SHOW tests into own files
</li>
<li>PR #1291: Fix update count for REPLACE and move some SQL tests into separate files
</li>
<li>PR #1290: Do not load the whole LOBs into memory for comparison operation
</li>
<li>Issue #408: DISTINCT does not properly work with ORDER BY on function like LOWER
</li>
<li>PR #1286: Fix MVTempResult implementations for results with invisible columns
</li>
<li>Issue #1284: Nanoseconds of timestamps from old H2 versions are not read properly
</li>
<li>PR #1283: Clean up interaction between LocalResult and ResultExternal
</li>
<li>Issue #1265: OOME is not handled properly in TraceObject.logAndConvert()
</li>
<li>Issue #1061: Regression: Braces after WITH clause not allowed anymore
</li>
<li>PR #1277: Assorted changes in Parser
</li>
<li>PR #1276: Improve support of ARRAY and SQLXML in JDBC layer
</li>
<li>PR #1275: Do not quote other lower case characters
</li>
<li>PR #1274: Use token type in Parser instead of string comparisons
</li>
<li>PR #1272: Reduce code duplication in Parser
</li>
<li>PR #1271: Minor memory leak
</li>
<li>PR #1270: drop TableView isPersistent field
</li>
<li>PR #1269: Eliminate commit of empty batch in some tests
</li>
<li>Issue #1266: Add INFORMATION_SCHEMA.COLUMNS.DATETIME_PRECISION
</li>
<li>Issue #1261: How to discover stored enum types through INFORMATION_SCHEMA
</li>
<li>Issue #1258: Failing to remove index when using schema.table
</li>
<li>PR #1256: misc tiny refactorings
</li>
<li>PR #1255: Minor changes in MERGE USING, DATE_TRUNC, and EXTRACT
</li>
<li>Issue #1214: Internal compiler believes that "3 warnings" is an error
</li>
<li>PR #1252: Assorted minor changes
</li>
<li>PR #1251: Fix SQL representation of CAST for types with fractional seconds precision
</li>
<li>PR #1250: Batch append mode for MVMap
</li>
<li>PR #1248: StringIndexOutOfBoundsException due to undoLog map
</li>
<li>PR #1246: Detect disabled tests
</li>
<li>PR #1242: Add implementation of SQLXML interface
</li>
<li>PR #1241: Various tweaks in attempting to fix TestDiskFull test
</li>
<li>PR #1240: Optimise ValueLobDB comparison methods
</li>
<li>PR #1239: Don't try to find tools.jar on Java 9+
</li>
<li>PR #1238: remove unfinished android API
</li>
<li>PR #1237: remove JaQu
</li>
<li>PR #1236: remove STORE_LOCAL_TIME code
</li>
<li>PR #1235: Do not use deprecated Class.newInstance()
</li>
<li>PR #1234: Fix NPE in Parser.parseMergeUsing()
</li>
<li>PR #1233: Simplify old lob ValueLob class
</li>
<li>Issue 1227: lob growth in pagestore mode
</li>
<li>PR #1230: clean up some javadoc and some throws clauses
</li>
<li>PR #1229: Create UndoLog only when necessary and remove outdated code
</li>
<li>PR #1228: Remove some PageStore+MVCC leftovers
</li>
<li>PR #1226: Fix inconsistencies in checks for transaction isolation level
</li>
<li>PR #1224: Enable Java 10 testing on Travis
</li>
<li>PR #1223: Fix issues with testing on latest Java versions
</li>
<li>PR #1222: Leftovers handling
</li>
<li>Issue #1220: JDK-9 build fails due to usage of java.xml.bind in external authentication
</li>
<li>PR #1218: Test utilities only once during TestAll
</li>
<li>PR #1217: Postpone session.endStatement() until after commit
</li>
<li>PR #1213: KillRestart fix
</li>
<li>PR #1211: Assorted minor changes
</li>
<li>Issue #1204: Always use MVCC with MVStore and never use it with PageStore
</li>
<li>PR #1206: Forbid reconnects in non-regular modes in TestScript
</li>
<li>PR #1205: Misc test fixes
</li>
<li>Issue 1198: Enable MULTI_THREADED by default for MVStore mode
</li>
<li>Issue #1195: Calling setBytes to set VARCHAR field fails
</li>
<li>PR #1197: Fix or suppress errors in tests
</li>
<li>PR #1194: TestKillRestartMulti: A map named undoLog-1 already exists
</li>
<li>PR #1193: enable TestRandomSQL on non-memory databases
</li>
<li>PR #1191: External authentication with datasource issue
</li>
<li>PR #1188: Undo log split to reduce contention
</li>
<li>PR #1186: TransactionMap::sizeAsLong() optimized - temp map eliminated
</li>
<li>PR #1185: Improve naming of the object id field in Prepared
</li>
<li>Issue #1196: Feature request for MS SQL Server Compatibility Mode
</li>
<li>Issue #1177: Resource leak in Recover tool
</li>
<li>PR #1183: Improve concurrency of connection pool with wait-free implement
</li>
<li>Issue #1073: H2 v1.4.197 fails to open an existing database with the error [Unique index or primary key violation: "PRIMARY KEY ON """".PAGE_INDEX"]
</li>
<li>PR #1179: Drop TransactionMap.readLogId
</li>
<li>PR #1181: Improve CURRENT_TIMESTAMP and add LOCALTIME and LOCALTIMESTAMP
</li>
<li>PR #1176: Magic value replacement with constant
</li>
<li>PR #1171: Introduce last committed value into a VersionedValue
</li>
<li>PR #1175: tighten test conditions - do not ignore any exceptions
</li>
<li>PR #1174: Remove mapid
</li>
<li>PR #1173: protect first background exception encountered and relate it to clients
</li>
<li>PR #1172: Yet another attempt to tighten that testing loop
</li>
<li>PR #1170: Add support of CONTINUE | RESTART IDENTITY to TRUNCATE TABLE
</li>
<li>Issue #1168: ARRAY_CONTAINS() returning incorrect results when inside subquery with Long elements.
</li>
<li>PR #1167: MVStore: Undo log synchronization removal
</li>
<li>PR #1166: Add SRID support to EWKT format
</li>
<li>PR #1165: Optimize isTargetRowFound() and buildColumnListFromOnCondition() in MergeUsing
</li>
<li>PR #1164: More fixes for parsing of MERGE USING and other changes in Parser
</li>
<li>PR #1154: Support for external authentication
</li>
<li>PR #1162: Reduce allocation of temporary strings
</li>
<li>PR #1158: make fields final
</li>
<li>Issue #1129: TestCrashAPI / TestFuzzOptimizations throw OOME on Travis in PageStore mode
</li>
<li>PR #1156: Add support for SQL:2003 WITH [NO] DATA to CREATE TABLE AS
</li>
<li>PR #1149: fix deadlock between OnExitDatabaseCloser.DATABASES and Engine.DATABASES
</li>
<li>PR #1152: skip intermediate DbException object when creating SQLException
</li>
<li>PR #1144: Add missing schema name with recursive view
</li>
<li>Issue #1091: get rid of the "New" class
</li>
<li>PR #1147: Assorted minor optimizations
</li>
<li>PR #1145: Reduce code duplication
</li>
<li>PR #1142: Misc small fixes
</li>
<li>PR #1141: Assorted optimizations and fixes
</li>
<li>PR #1138, #1139: Fix a memory leak caused by DatabaseCloser objects
</li>
<li>PR #1137: Step toward making transaction commit atomic
</li>
<li>PR #1136: Assorted minor optimizations
</li>
<li>PR #1134: Detect possible overflow in integer division and optimize some code
</li>
<li>PR #1133: Implement Comparable&lt;Value&gt; in CompareMode and optimize ValueHashMap.keys()
</li>
<li>PR #1132: Reduce allocation of ExpressionVisitor instances
</li>
<li>PR #1130: Improve TestScript and TestCrashAPI
</li>
<li>PR #1128: Fix ON DUPLICATE KEY UPDATE with ENUM
</li>
<li>PR #1127: Update JdbcDatabaseMetaData.getSQLKeywords() and perform some minor optimizations
</li>
<li>PR #1126: Fix an issue with code coverage and building of documentation
</li>
<li>PR #1123: Fix TCP version check
</li>
<li>PR #1122: Assorted changes
</li>
<li>PR #1121: Add some protection to ValueHashMap against hashes with the same less significant bits
</li>
<li>Issue #1097: H2 10x slower than HSQLDB and 6x than Apache Derby for specific query with GROUP BY and DISTINCT subquery
</li>
<li>Issue #1093: Use temporary files for ResultSet buffer tables in MVStore
</li>
<li>PR #1117: Fix sorting with distinct in ResultTempTable
</li>
<li>Issue #1095: Add support for INSERT IGNORE INTO &lt;table&gt; (&lt;columns&gt;) SELECT in MySQL Mode
</li>
<li>PR #1114: Minor cleanup and formatting fixes
</li>
<li>PR #1112: Improve test scripts
</li>
<li>PR #1111: Use a better fix for issue with SRID
</li>
<li>Issue #1107: Restore support of DATETIME2 with specified fractional seconds precision
</li>
<li>Issue #1106: Get rid of SwitchSource
</li>
<li>PR #1105: Assorted minor changes
</li>
<li>Issue #1102: CREATE SYNONYM rejects valid definition
</li>
<li>PR #1103: Remove redundant synchronization
</li>
<li>Issue #1048: 1.4.197 regression. org.h2.jdbc.JdbcSQLException: Timeout trying to lock table "SYS"
</li>
<li>PR #1101: Move some tests in better place and add an additional test for 2PC
</li>
<li>PR #1100: Fix Insert.prepareUpdateCondition() for PageStore
</li>
<li>PR #1098: Fix some issues with NULLS FIRST / LAST
</li>
<li>Issue #1089: Parser does not quote words INTERSECTS, DUAL, TOP
</li>
<li>Issue #230: Renaming a column does not update foreign key constraint
</li>
<li>Issue #1091 Get rid if the New class
</li>
<li>PR #1087: improve performance of planning large queries
</li>
<li>PR #1085: Add tests for simple one-column index sorting
</li>
<li>PR #1084: re-enable some pagestore testing
</li>
<li>PR #1083: Assorted changes
</li>
<li>Issue #394: Recover tool places COLLATION and BINARY_COLLATION after temporary tables
</li>
<li>PR #1081: Session.getTransactionId should return a more distinguishing value
</li>
<li>Improve the script-based unit testing to check the error code of the exception thrown.
</li>
<li>Issue #1041: Support OR syntax while creating trigger
</li>
<li>Issue #1023: MVCC and existing page store file
</li>
<li>Issue #1003: Decrypting database with incorrect password renders the database corrupt
</li>
<li>Issue #873: No error when `=` in equal condition when column is not of array type
</li>
<li>Issue #1069: Failed to add DATETIME(3) column since 1.4.197
</li>
<li>Issue #456: H2 table privileges referring to old schema after schema rename
</li>
<li>Issue #1062: Concurrent update in table "SYS" caused by Analyze.analyzeTable()
</li>
<li>Yet another fix to Page memory accounting
</li>
<li>Replace MVStore.ASSERT variable with assertions
</li>
<li>Issue #1063: Leftover comments about enhanced for loops
</li>
<li>PR #1059: Assorted minor changes
</li>
<li>PR #1058: Txcommit atomic
</li>
<li>Issue #1038: ora_hash function implementation off by one
</li>
<li>PR #1054: Introduce overflow bit in tx state
</li>
<li>Issue #1047: Support DISTINCT in custom aggregate functions
</li>
<li>PR #1051: Atomic change of transaction state
</li>
<li>PR #1046: Split off Transaction TransactionMap VersionedValue
</li>
<li>PR #1045: TransactionStore move into separate org.h2.mvstore.tx package
</li>
<li>PR #1044: Encapsulate TransactionStore.store field in preparation to a move
</li>
<li>PR #1040: generate less garbage for String substring+trim
</li>
<li>PR #1035: Minor free space accounting changes
</li>
<li>Issue #1034: MERGE USING should not require the same column count in tables
</li>
<li>PR #1033: Fix issues with BUILTIN_ALIAS_OVERRIDE=1
</li>
<li>PR #1031: Drop schema rights together with schema
</li>
<li>PR #1029: No need to remove orphaned LOBs when the db is read-only
</li>
<li>Issue #1027: Add support for fully qualified names in MySQL compatibility mode
</li>
<li>Issue #178: INSERT ON DUPLICATE KEY UPDATE returns wrong generated key
</li>
<li>PR #1025: Remove BitField and replace its usages with BitSet
</li>
<li>Issue #1019: Console incorrectly sorts BigDecimal columns alphanumerically
</li>
<li>PR #1021: Update JdbcDatabaseMetaData to JDBC 4.1 (Java 7)
</li>
<li>Issue #992: 1.4.197 client cannot use DatabaseMetaData with 1.4.196 and older server
</li>
<li>Issue #1016: ResultSet.getObject() should return enum value, not ordinal
</li>
<li>Issue #1012: NPE when querying INFORMATION_SCHEMA.COLUMNS on a view that references an ENUM column
</li>
<li>Issue #1010: MERGE USING table not found with qualified table
</li>
<li>PR #1009: Fix ARRAY_AGG with ORDER BY and refactor aggregates
</li>
<li>Issue #1006: "Empty enums are not allowed" in 1.4.197 (mode=MYSQL)
</li>
<li>PR #1007: Copy also SRID in ValueGeometry.getGeometry()
</li>
<li>PR #1004: Preserve type names in more places especially for UUID
</li>
<li>Issue #1000: Regression in INFORMATION_SCHEMA.CONSTRAINTS.CONSTRAINT_TYPE content
</li>
<li>Issue #997: Can not delete from tables with enums
</li>
<li>Issue #994: Too much column in result set for GENERATED_KEYS on table with DEFAULT
</li>
<li>PR #993: Fix some compiler warnings and improve assert*() methods
</li>
<li>PR #991: Generate shorter queries in JdbcDatabaseMetaData.getTables() and remove some dead code
</li>
<li>PR #989: Fix more issues with range table and improve its documentation
</li>
</ul>

<h2>Version 1.4.197 (2018-03-18)</h2>
<ul>
<li>PR #988: Fix RangeTable.getRowCount() for non-default step
</li>
<li>PR #987: ValueBoolean constants are not cleared and may be used directly
</li>
<li>PR #986: Check parameters in JdbcPreparedStatement.addBatch()
</li>
<li>PR #984: Minor refactorings in Parser
</li>
<li>PR #983: Code cleanups via IntelliJ IDEA inspections
</li>
<li>Issue #960: Implement remaining time unit in "date_trunc" function
</li>
<li>Issue #933: MVStore background writer endless loop
</li>
<li>PR #981: Reorganize date-time functions
</li>
<li>PR #980: Add Parser.toString() method for improved debugging experience
</li>
<li>PR #979: Remove support of TCP protocol versions 6 and 7
</li>
<li>PR #977: Add database versions to javadoc of TCP protocol versions and update dictionary.txt
</li>
<li>PR #976: Add and use incrementDateValue() and decrementDateValue()
</li>
<li>Issue #974: Inline PRIMARY KEY definition loses its name
</li>
<li>PR #972: Add META-INF/versions to all non-Android jars that use Bits
</li>
<li>PR #971: Update ASM from 6.1-beta to 6.1
</li>
<li>PR #970: Added support for ENUM in prepared statement where clause
</li>
<li>PR #968: Assorted changes
</li>
<li>PR #967: Adds ARRAY_AGG function
</li>
<li>PR #966: Do not include help and images in client jar
</li>
<li>PR #965: Do not include mvstore.DataUtils in client jar and other changes
</li>
<li>PR #964: Fix TestFunctions.testToCharFromDateTime()
</li>
<li>PR #963 / Issue #962: Improve documentation of compatibility modes and fix ssl URL description
</li>
<li>Issue #219: H2 mode MySQL- ON UPDATE CURRENT_TIMESTAMP not supported
</li>
<li>PR #958: More fixes for PgServer
</li>
<li>PR #957: Update database size information and links in README.md
</li>
<li>PR #956: Move tests added in 821117f1db120a265647a063dca13ab5bee98efc to a proper place
</li>
<li>PR #955: Support getObject(?, Class) in generated keys
</li>
<li>PR #954: Avoid incorrect reads in iterators of TransactionMap
</li>
<li>PR #952: Optimize arguments for MVMap.init()
</li>
<li>PR #949: Fix table borders in PDF and other changes
</li>
<li>PR #948: Fix some grammar descriptions and ALTER TABLE DROP COLUMN parsing
</li>
<li>PR #947: Fix building of documentation and use modern names of Java versions
</li>
<li>PR #943: Assorted changes in documentation and a fix for current-time.sql
</li>
<li>PR #942: Fix page numbers in TOC in PDF and move System Tables into own HTML / section in PDF
</li>
<li>PR #941: Use >> syntax in median.sql and move out more tests from testScript.sql
</li>
<li>PR #940: add Support for MySQL: DROP INDEX index_name ON tbl_name
</li>
<li>PR #939: Short syntax for SQL tests
</li>
<li>Issue #935: The "date_trunc" function is not recognized for 'day'
</li>
<li>PR #936: Fix font size, line length, TOC, and many broken links in PDF
</li>
<li>PR #931: Assorted changes in documentation
</li>
<li>PR #930: Use Math.log10() and remove Mode.getOracle()
</li>
<li>PR #929: Remove Mode.supportOffsetFetch
</li>
<li>PR #928: Show information about office configuration instead of fallback PDF generation mode
</li>
<li>PR #926: Describe datetime fields in documentation
</li>
<li>PR #925: Fix time overflow in DATEADD
</li>
<li>Issue #416: Add support for DROP SCHEMA x { RESTRICT | CASCADE }
</li>
<li>PR #922: Parse and treat fractional seconds precision as described in SQL standard
</li>
<li>Issue #919: Add support for mixing adding constraints and columns in multi-add ALTER TABLE statement
</li>
<li>PR #916: Implement TABLE_CONSTRAINTS and REFERENTIAL_CONSTRAINTS from the SQL standard
</li>
<li>PR #915: Implement INFORMATION_SCHEMA.KEY_COLUMN_USAGE from SQL standard
</li>
<li>PR #914: don't allow null values in ConcurrentArrayList
</li>
<li>PR #913: Assorted changes in tests and documentation
</li>
<li>Issue #755: Missing FLOAT(precision)?
</li>
<li>PR #911: Add support for MySQL-style ALTER TABLE ADD ... FIRST
</li>
<li>Issue #409: Support derived column list syntax on table alias
</li>
<li>PR #908: remove dead code
</li>
<li>PR #907: Nest joins only if required and fix some issues with complex joins
</li>
<li>PR #906: Fix obscure error on non-standard SELECT * FROM A LEFT JOIN B NATURAL JOIN C
</li>
<li>PR #805: Move some JOIN tests from testScript.sql to own file
</li>
<li>PR #804: Remove unused parameters from readJoin() and readTableFilter()
</li>
<li>Issue #322: CSVREAD WHERE clause containing ORs duplicates number of rows
</li>
<li>PR #902: Remove DbSettings.nestedJoins
</li>
<li>PR #900: Convert duplicate anonymous classes in TableFilter to nested for reuse
</li>
<li>PR #899: Fix ON DUPLICATE KEY UPDATE for inserts with multiple rows
</li>
<li>PR #898: Parse TIME WITHOUT TIME ZONE and fix TIMESTAMP as column name
</li>
<li>PR #897: Update JTS to version 1.15.0 from LocationTech
</li>
<li>PR #896: Assorted changes in help.csv
</li>
<li>PR #895: Parse more variants of timestamps with time zones
</li>
<li>PR #893: TIMESTAMP WITHOUT TIME ZONE, TIMEZONE_HOUR, and TIMEZONE_MINUTE
</li>
<li>PR #892: Assorted minor changes in Parser
</li>
<li>PR #891: Update documentation of date-time types and clean up related code a bit
</li>
<li>PR #890: Implement conversions for TIMESTAMP WITH TIME ZONE
</li>
<li>PR #888: Fix two-phase commit in MVStore
</li>
<li>Issue #884: Wrong test Resources path in pom.xml
</li>
<li>PR #886: Fix building of documentation
</li>
<li>PR #883: Add support for TIMESTAMP WITH TIME ZONE to FORMATDATETIME
</li>
<li>PR #881: Reimplement dateValueFromDate() and nanosFromDate() without a Calendar
</li>
<li>PR #880: Assorted date-time related changes
</li>
<li>PR #879: Reimplement TO_DATE without a Calendar and fix a lot of bugs an incompatibilities
</li>
<li>PR #878: Fix IYYY in TO_CHAR and reimplement TRUNCATE without a Calendar
</li>
<li>PR #877: Reimplement TO_CHAR without a Calendar and fix 12 AM / 12 PM in it
</li>
<li>PR #876: Test out of memory
</li>
<li>PR #875: Improve date-time related parts of documentation
</li>
<li>PR #872: Assorted date-time related changes
</li>
<li>PR #871: Fix OOME in Transfer.readValue() with large CLOB V2
</li>
<li>PR #867: TestOutOfMemory stability
</li>
<li>Issue #834: Add support for the SQL standard FILTER clause on aggregate functions
</li>
<li>PR #864: Minor changes in DateUtils and Function
</li>
<li>PR #863: Polish: use isEmpty() to check whether the collection is empty or not.
</li>
<li>PR #862: Convert constraint type into enum
</li>
<li>PR #861: Avoid resource leak
</li>
<li>PR #860: IndexCursor inList
</li>
<li>PR #858 / Issue #690 and others: Return all generated rows and columns from getGeneratedKeys()
</li>
<li>Make the JDBC client independent of the database engine
</li>
<li>PR #857: Do not write each SQL error multiple times in TestScript
</li>
<li>PR #856: Fix TestDateTimeUtils.testDayOfWeek() and example with ANY(?
</li>
<li>PR #855: Reimplement DATEADD without a Calendar and fix some incompatibilities
</li>
<li>PR #854: Improve test stability
</li>
<li>PR #851: Reimplement DATEDIFF without a Calendar
</li>
<li>Issue #502: SQL "= ANY (?)" supported?
</li>
<li>PR #849: Encode date and time in fast and proper way in PgServerThread
</li>
<li>PR #847: Reimplement remaining parts of EXTRACT, ISO_YEAR, etc without a Calendar
</li>
<li>PR #846: Read known fields directly in DateTimeUtils.getDatePart()
</li>
<li>Issue #832: Extract EPOCH from a timestamp
</li>
<li>PR #844: Add simple implementations of isWrapperFor() and unwrap() to JdbcDataSource
</li>
<li>PR #843: Add MEDIAN to help.csv and fix building of documentation
</li>
<li>PR #841: Support indexes with nulls last for MEDIAN aggregate
</li>
<li>PR #840: Add MEDIAN aggregate
</li>
<li>PR #839: TestTools should not leave testing thread in interrupted state
</li>
<li>PR #838: (tests) Excessive calls to Runtime.getRuntime().gc() cause OOM for no reason
</li>
<li>Don't use substring when doing StringBuffer#append
</li>
<li>PR #837: Use StringUtils.replaceAll() in Function.replace()
</li>
<li>PR #836: Allow to read invalid February 29 dates with LocalDate as March 1
</li>
<li>PR #835: Inline getTimeTry() into DateTimeUtils.getMillis()
</li>
<li>PR #827: Use dateValueFromDate() and nanosFromDate() in parseTimestamp()
</li>
<li>Issue #115: to_char fails with pattern FM0D099
</li>
<li>PR #825: Merge code for parsing and formatting timestamp values
</li>
<li>Enums for ConstraintActionType, UnionType, and OpType
</li>
<li>PR 824: Add partial support for INSERT IGNORE in MySQL mode
</li>
<li>PR #823: Use ValueByte.getInt() and ValueShort.getInt() in convertTo()
</li>
<li>PR #820: Fix some compiler warnings
</li>
<li>PR #818: Fixes for remaining issues with boolean parameters
</li>
<li>Use enum for file lock method
</li>
<li>PR #817: Parse also 1 as true and 0 as false in Utils.parseBoolean()
</li>
<li>PR #815: Fix count of completed statements
</li>
<li>PR #814: Method.isVarArgs() is available on all supported platforms
</li>
<li>Issue #812: TIME values should be in range 0:00:00.000000000 23:59:59.999999999?
</li>
<li>PR #811: Issues with Boolean.parseBoolean()
</li>
<li>PR #809: Use type constants from LocalDateTimeUtils directly
</li>
<li>PR #808: Use HmacSHA256 provided by JRE
</li>
<li>PR #807: Use SHA-256 provided by JRE / Android and use rotateLeft / Right in Fog
</li>
<li>PR #806: Implement setBytes() and setString() with offset and len
</li>
<li>PR #805: Improve support of TIMESTAMP WITH TIME ZONE
</li>
<li>PR #803: Use new ArrayList(Collection) and assertThrows()
</li>
<li>PR #802: Use Arrays.copyOf() and Arrays.copyOfRange()
</li>
<li>PR #801: Fix NULL support in PgServer for primitive types too
</li>
<li>PR #800: More fixes in date-time types for ODBC drivers
</li>
<li>PR #798: Add partial support of DATE, TIME, and TIMESTAMP data types to PgServer
</li>
<li>PR #799: Use result of ArrayList.remove()
</li>
<li>PR #797: Add ceilingKey() and floorKey() to TransactionMap (version 2)
</li>
<li>PR #796: Add MDY to DateStyle in PgServerThread
</li>
<li>PR #794: Sort files in generated jars
</li>
<li>PR #793: Change return type of Value.getBoolean() to boolean (unwrapped)
</li>
<li>PR #792: Inherit classpath from parent process
</li>
<li>PR #791: Switch to JaCoCo code coverage
</li>
<li>PR #788: Update lists of keywords
</li>
<li>PR #789: Map DATE in Oracle mode to ValueTimestamp
</li>
<li>PR #787: Assorted changes
</li>
<li>PR #785: Optimize NULL handling in MVSecondaryIndex.add()
</li>
<li>PR #783: Add Bits implementation for Java 9 and later versions
</li>
<li>PR #784: Hardcoded port numbers should not be used in unit tests
</li>
<li>PR #780: Close JavaFileManager after use.
</li>
<li>PR #782: Leftover shared lock after release
</li>
<li>PR #781: Locks left behind after commit
</li>
<li>PR #778: Reduce code duplication
</li>
<li>PR #775: Fix building of documentation and zip
</li>
<li>PR #774: Assorted changes
</li>
<li>PR #773: Better checks for arguments of partial LOB reading methods
</li>
<li>PR #772: getBinaryStream() and getCharacterStream() with pos and length
</li>
<li>Issue #754: Make NUMERIC type read as NUMERIC
</li>
<li>PR #768: Add DataUtils.parseChecksummedMap()
</li>
<li>PR #769: Do not copy result of DataUtils.parseMap() to a new maps
</li>
<li>PR #766: Minor clean up of DateTimeUtils
</li>
<li>PR #764: Make use of try-with-resources statement
</li>
<li>Issue #406: Return from ResultSet.getObject not in line with JDBC specification
</li>
<li>Issue #710: Misleading exception message when INSERT has no value for self referential 'AS' column
</li>
<li>PR #763: Add DataUtils.getMapName()
</li>
<li>PR #762: Add row deletion confirmation to web console
</li>
<li>PR #760: Assorted minor optimizations
</li>
<li>PR #759: Improve the look of error messages in web console
</li>
<li>PR #758: Allocate less amount of garbage
</li>
<li>PR #757: Fix handling of UUID in Datatype.readValue()
</li>
<li>PR #753: Optimize StringUtils.trim() and remove StringUtils.equals()
</li>
<li>PR #752: Use predefined charsets instead of names where possible
</li>
<li>PR #750: Use AtomicIntegerArray and StandardCharsets
</li>
<li>PR #749: Fix some build checks in sources
</li>
<li>Issue #740: TestWeb hangups if webSSL=true specified in configuration
</li>
<li>Issue #736: Copyright years in sources
</li>
<li>Issue #744: TestFile failure on Java 9 and Java 10
</li>
<li>PR #741: More cleanups in LocalDateTimeUtils and other minor changes
</li>
<li>PR #743: Change REGEXP_REPLACE mode for MariaDB and PostgreSQL
</li>
<li>Issue#646 NPE in CREATE VIEW WITH RECURSIVE &amp; NON_RECURSIVE CTE
</li>
<li>PR #738: Copy javadoc to *BackwardsCompat to fix building of documentation
</li>
<li>PR #735: Add support of java.time.Instant V2
</li>
<li>PR #733: Remove JPA/ORM configuration txt files as they're already integrated
</li>
<li>PR #732: Fix ==
</li>
<li>PR #730: Implement enquoteIdentifier() and isSimpleIdentifier() from JDBC 4.3
</li>
<li>PR #729: Grammar documentation change
</li>
<li>PR #727: Integer/Long.compare(x, y) can be used to compare primitive values
</li>
<li>PR #726: Fixes in tests
</li>
<li>Issue #725: FilePathMem.tryLock() fails since Java 9
</li>
<li>PR #723: Clean up LocalDateTimeUtils
</li>
<li>PR #724: Use StringBuilder instead of StringBuffer
</li>
<li>PR #720: DROP TABLE RESTRICT shouldn't drop foreign keys in other tables
</li>
<li>PR #722: Assorted minor changes
</li>
<li>Issue #638: Oracle mode: incompatible regexp back-reference syntax
</li>
<li>Make ALL a reserved keyword
</li>
<li>Issue #311: Avoid calling list.toArray(new X[list.size()]) for performance
</li>
<li>PR #715: Better getObject error message
</li>
<li>PR #714: SecureRandom is already synchronized
</li>
<li>PR #712: Return properly encoded UUID from SimpleResultSet.getBytes()
</li>
<li>PR #711: TestFunctions less english dependent
</li>
<li>Issue #644: Year changing from negative -509 to a positive 510.
</li>
<li>PR #706: SIGNAL function
</li>
<li>PR #704: added Javascript support for Triggers' source
</li>
<li>Issue #694: Oracle syntax for adding NOT NULL constraint not supported.
</li>
<li>Issue #699: When using an index for sorting, the index is ignored when also using NULLS LAST/FIRST
</li>
<li>Issue #697: FilePathDisk.newInputStream fails for contextual class loading
</li>
<li>Issue #695: jdbc:postgresql protocol connection issue in H2 Console Application in case of redshift driver in classpath
</li>
<li>Fix 'file not closed' when using FILE_READ
</li>
<li>Fix bug in LinkSchema tool when object exists with same name in different schemas
</li>
<li>Issue #675: Fix date operations on Locales with non-Gregorian calendars
</li>
<li>Fix removal of LOB when rolling back transaction on a table containing more than one LOB column.
</li>
<li>Issue #654: List ENUM type values in INFORMATION_SCHEMA.COLUMNS
</li>
<li>Issue #650: Simple nested SELECT causes error for table with TIMESTAMP WITH TIMEZONE column
</li>
<li>Issue #654: List ENUM type values in INFORMATION_SCHEMA.COLUMNS
</li>
<li>Issue #668: Fail of an update command on large table with ENUM column
</li>
<li>Issue #662: column called CONSTRAINT is not properly escaped when storing to metadata
</li>
<li>Issue #660: Outdated java version mentioned on http://h2database.com/html/build.html#providing_patches
</li>
<li>Issue #643: H2 doesn't use index when I use IN and EQUAL in one query
</li>
<li>Reset transaction start timestamp on ROLLBACK
</li>
<li>Issue #632: CREATE OR REPLACE VIEW creates incorrect columns names
</li>
<li>Issue #630: Integer overflow in CacheLRU can cause unrestricted cache growth
</li>
<li>Issue #497: Fix TO_DATE in cases of 'inline' text. E.g. the "T" and "Z" in to_date('2017-04-21T00:00:00Z', 'YYYY-MM-DD"T"HH24:MI:SS"Z"')
</li>
<li>Fix bug in MySQL/ORACLE-syntax silently corrupting the modified column in cases of setting the 'NULL'- or 'NOT NULL'-constraint. E.g. alter table T modify C NULL;
</li>
<li>Issue #570: MySQL compatibility for ALTER TABLE .. DROP INDEX
</li>
<li>Issue #537: Include the COLUMN name in message "Numeric value out of range"
</li>
<li>Issue #600: ROW_NUMBER() behaviour change in H2 1.4.195
</li>
<li>Fix a bunch of race conditions found by vmlens.com, thank you to vmlens for giving us a license.
</li>
<li>PR #597: Support more types in getObject
</li>
<li>Issue #591: Generated SQL from WITH-CTEs does not include a table identifier
</li>
<li>PR #593: Make it possible to create a cluster without using temporary files.
</li>
<li>PR #592: "Connection is broken: "unexpected status 16777216" [90067-192]" message when using older h2 releases as client
</li>
<li>Issue #585: MySQL mode DELETE statements compatibility
</li>
<li>PR #586: remove extra tx preparation
</li>
<li>PR #568: Implement MetaData.getColumns() for synonyms.
</li>
<li>Issue #581: org.h2.tools.RunScript assumes -script parameter is part of protocol
</li>
<li>Fix a deadlock in the TransactionStore
</li>
<li>PR #579: Disallow BLOB type in PostgreSQL mode
</li>
<li>Issue #576: Common Table Expression (CTE): WITH supports INSERT, UPDATE, MERGE, DELETE, CREATE TABLE ...
</li>
<li>Issue #493: Query with distinct/limit/offset subquery returns unexpected rows
</li>
<li>Issue #575: Support for full text search in multithreaded mode
</li>
<li>Issue #569: ClassCastException when filtering on ENUM value in WHERE clause
</li>
<li>Issue #539: Allow override of builtin functions/aliases
</li>
<li>Issue #535: Allow explicit paths on Windows without drive letter
</li>
<li>Issue #549: Removed UNION ALL requirements for CTE
</li>
<li>Issue #548: Table synonym support
</li>
<li>Issue #531: Rollback and delayed meta save.
</li>
<li>Issue #515: "Unique index or primary key violation" in TestMvccMultiThreaded
</li>
<li>Issue #458: TIMESTAMPDIFF() test failing. Handling of timestamp literals.
</li>
<li>PR #546: Fixes the missing file tree.js in the web console
</li>
<li>Issue #543: Prepare statement with regexp will not refresh parameter after metadata change
</li>
<li>PR #536: Support TIMESTAMP_WITH_TIMEZONE 2014 JDBC type
</li>
<li>Fix bug in parsing ANALYZE TABLE xxx SAMPLE_SIZE yyy
</li>
<li>Add padding for CHAR(N) values in PostgreSQL mode
</li>
<li>Issue #89: Add DB2 timestamp format compatibility
</li>
</ul>

<h2>Version 1.4.196 (2017-06-10)</h2>
<ul>
<li>Issue#479 Allow non-recursive CTEs (WITH statements), patch from stumc
</li>
<li>Fix startup issue when using "CHECK" as a column name.
</li>
<li>Issue #423: ANALYZE performed multiple times on one table during execution of the same statement.
</li>
<li>Issue #426: Support ANALYZE TABLE statement
</li>
<li>Issue #438: Fix slow logging via SLF4J (TRACE_LEVEL_FILE=4).
</li>
<li>Issue #472: Support CREATE SEQUENCE ... ORDER as a NOOP for Oracle compatibility
</li>
<li>Issue #479: Allow non-recursive Common Table Expressions (CTE)
</li>
<li>On Mac OS X, with IPv6 and no network connection, the Console tool was not working as expected.
</li>
</ul>

<h2>Version 1.4.195 (2017-04-23)</h2>
<ul>
<li>Lazy query execution support.
</li>
<li>Added API for handling custom data types (System property "h2.customDataTypesHandler", API org.h2.api.CustomDataTypesHandler).
</li>
<li>Added support for invisible columns.
</li>
<li>Added an ENUM data type, with syntax similar to that of MySQL.
</li>
<li>MVStore: for object data types, the cache size memory estimation
    was sometimes far off in a read-only scenario.
    This could result in inefficient cache usage.
</li>
</ul>

<h2>Version 1.4.194 (2017-03-10)</h2>
<ul>
<li>Issue #453: MVStore setCacheSize() should also limit the cacheChunkRef.
</li>
<li>Issue #448: Newly added TO_DATE and TO_TIMESTAMP functions have wrong datatype.
</li>
<li>The "nioMemLZF" filesystem now supports an extra option "nioMemLZF:12:" to tweak the size of the compress later cache.
</li>
<li>Various multi-threading fixes and optimisations to the "nioMemLZF" filesystem.
</li>
<li><strong>[API CHANGE]</strong> #439: the JDBC type of TIMESTAMP WITH TIME ZONE
changed from Types.OTHER (1111) to Types.TIMESTAMP_WITH_TIMEZONE (2014)
</li>
<li>#430: Subquery not cached if number of rows exceeds MAX_MEMORY_ROWS.
</li>
<li>#411: "TIMEZONE" should be "TIME ZONE" in type "TIMESTAMP WITH TIMEZONE".
</li>
<li>PR #418, Implement Connection#createArrayOf and PreparedStatement#setArray.
</li>
<li>PR #427, Add MySQL compatibility functions UNIX_TIMESTAMP, FROM_UNIXTIME and DATE.
</li>
<li>#429: Tables not found : Fix some Turkish locale bugs around uppercasing.
</li>
<li>Fixed bug in metadata locking, obscure combination of DDL and SELECT SEQUENCE.NEXTVAL required.
</li>
<li>Added index hints: SELECT * FROM TEST USE INDEX (idx1, idx2).
</li>
<li>Add a test case to ensure that spatial index is used with and order by command by Fortin N.
</li>
<li>Fix multi-threaded mode update exception "NullPointerException", test case by Anatolii K.
</li>
<li>Fix multi-threaded mode insert exception "Unique index or primary key violation", test case by Anatolii K.
</li>
<li>Implement ILIKE operator for case-insensitive matching.
</li>
<li>Optimise LIKE queries for the common cases of '%Foo' and '%Foo%'.
</li>
<li>Issue #387: H2 MSSQL Compatibility Mode - Support uniqueidentifier.
</li>
<li>Issue #401: NPE in "SELECT DISTINCT * ORDER BY".
</li>
<li>Added BITGET function.
</li>
<li>Fixed bug in FilePathRetryOnInterrupt that caused infinite loop.
</li>
<li>PR #389, Handle LocalTime with nanosecond resolution, patch by katzyn.
</li>
<li>PR #382, Recover for "page store" H2 breaks LOBs consistency, patch by vitalus.
</li>
<li>PR #393, Run tests on Travis, patch by marschall.
</li>
<li>Fix bug in REGEX_REPLACE, not parsing the mode parameter.
</li>
<li>ResultSet.getObject(..., Class) threw a ClassNotFoundException if the JTS suite was not in the classpath.
</li>
<li>File systems: the "cache:" file system, and the
    compressed in-memory file systems memLZF and nioMemLZF did not
    correctly support concurrent reading and writing.
</li>
<li>TIMESTAMP WITH TIMEZONE: serialization for the PageStore was broken.
</li>
</ul>

<h2>Version 1.4.193 (2016-10-31)</h2>
<ul>
<li>PR #386: Add JSR-310 Support (introduces JTS dependency fixed in 1.4.194)
</li>
<li>WARNING: THE MERGE BELOW WILL AFFECT ANY 'TIMESTAMP WITH TIMEZONE' INDEXES. You will need to drop and recreate any such indexes.
</li>
<li>PR #364: fix compare TIMESTAMP WITH TIMEZONE
</li>
<li>Fix bug in picking the right index for INSERT..ON DUPLICATE KEY UPDATE when there are both UNIQUE and PRIMARY KEY constraints.
</li>
<li>Issue #380: Error Analyzer doesn't show source code
</li>
<li>Remove the "TIMESTAMP UTC" datatype, an experiment that was never finished.
</li>
<li>PR #363: Added support to define last IDENTIFIER on a Trigger.
</li>
<li>PR #366: Tests for timestamps
</li>
<li>PR #361: Improve TimestampWithTimeZone javadoc
</li>
<li>PR #360: Change getters in TimestampWithTimeZone to int
</li>
<li>PR #359: Added missing source encoding. Assuming UTF-8.
</li>
<li>PR #353: Add support for converting JAVA_OBJECT to UUID
</li>
<li>PR #358: Add support for getObject(int|String, Class)
</li>
<li>PR #357: Server: use xdg-open to open the WebConsole in the user's preferred browser on Linux
</li>
<li>PR #356: Support for BEFORE and AFTER clauses when using multiple columns in ALTER TABLE ADD
</li>
<li>PR #351: Respect format codes from Bind message when sending results
</li>
<li>ignore summary line when compiling stored procedure
</li>
<li>PR #348: pg: send RowDescription in response to Describe (statement variant), patch by kostya-sh
</li>
<li>PR #337: Update russian translation, patch by avp1983
</li>
<li>PR #329: Update to servlet API version 3.1.0 from 3.0.1, patch by Mat Booth
</li>
<li>PR #331: ChangeFileEncryption progress logging ignores -quiet flag, patch by Stefan Bodewig
</li>
<li>PR #325: Make Row an interface
</li>
<li>PR #323: Regular expression functions (REGEXP_REPLACE, REGEXP_LIKE) enhancement, patch by Akkuzin
</li>
<li>Use System.nanoTime for measuring query statistics
</li>
<li>Issue #324: Deadlock when sending BLOBs over TCP
</li>
<li>Fix for creating and accessing views in MULTITHREADED mode, test-case courtesy of Daniel Rosenbaum
</li>
<li>Issue #266: Spatial index not updating, fixed by merging PR #267
</li>
<li>PR #302: add support for "with"-subqueries into "join" &amp; "sub-query" statements
</li>
<li>Issue #299: Nested derived tables did not always work as expected.
</li>
<li>Use interfaces to replace the java version templating, idea from Lukas Eder.
</li>
<li>Issue #295: JdbcResultSet.getObject(int, Class) returns null instead of throwing.
</li>
<li>Mac OS X: Console tool process did not stop on exit.
</li>
<li>MVStoreTool: add "repair" feature.
</li>
<li>Garbage collection of unused chunks should be faster still.
</li>
<li>MVStore / transaction store: opening a store in read-only mode does no longer loop.
</li>
<li>MVStore: disabled the file system cache by default, because it limits concurrency
    when using larger databases and many threads.
    To re-enable, use the file name prefix "cache:".
</li>
<li>MVStore: add feature to set the cache concurrency.
</li>
<li>File system nioMemFS: support concurrent reads.
</li>
<li>File systems: the compressed in-memory file systems now compress better.
</li>
<li>LIRS cache: improved hit rate because now added entries get hot if they
    were in the non-resident part of the cache before.
</li>
</ul>

<h2>Version 1.4.192 Beta (2016-05-26)</h2>
<ul>
<li>Java 6 is no longer supported (the jar files are compiled for Java 7).
</li>
<li>Garbage collection of unused chunks should now be faster.
</li>
<li>Prevent people using unsupported combination of auto-increment columns and clustering mode.
</li>
<li>Support for DB2 time format, patch by Niklas Mehner
</li>
<li>Added support for Connection.setClientInfo() in compatibility modes for DB2, Postgresql, Oracle and MySQL.
</li>
<li>Issue #249: Clarify license declaration in Maven POM xml
</li>
<li>Fix NullPointerException in querying spatial data through a sub-select.
</li>
<li>Fix bug where a lock on the SYS table was not released when closing a session that contained a temp
table with an LOB column.
</li>
<li>Issue #255: ConcurrentModificationException with multiple threads in embedded mode and temporary LOBs
</li>
<li>Issue #235: Anonymous SSL connections fail in many situations
</li>
<li>Fix race condition in FILE_LOCK=SOCKET, which could result in the watchdog thread not running
</li>
<li>Experimental support for datatype TIMESTAMP WITH TIMEZONE
</li>
<li>Add support for ALTER TABLE ... RENAME CONSTRAINT .. TO ...
</li>
<li>Add support for PostgreSQL ALTER TABLE ... RENAME COLUMN .. TO ...
</li>
<li>Add support for ALTER SCHEMA [ IF EXISTS ]
</li>
<li>Add support for ALTER TABLE [ IF EXISTS ]
</li>
<li>Add support for ALTER VIEW [ IF EXISTS ]
</li>
<li>Add support for ALTER INDEX [ IF EXISTS ]
</li>
<li>Add support for ALTER SEQUENCE [ IF EXISTS ]
</li>
<li>Improve performance of cleaning up temp tables - patch from Eric Faulhaber.
</li>
<li>Fix bug where table locks were not dropped when the connection closed
</li>
<li>Fix extra CPU usage caused by query planner enhancement in 1.4.191
</li>
<li>improve performance of queries that use LIKE 'foo%' - 10x in the case of one of my queries
</li>
<li>The function IFNULL did not always return the result in the right data type.
</li>
<li>Issue #231: Possible infinite loop when initializing the ObjectDataType class
    when concurrently writing into MVStore.
</li>
</ul>

<h2>Version 1.4.191 Beta (2016-01-21)</h2>
<ul>
<li>TO_DATE and TO_TIMESTAMP functions. Thanks a lot to Sam Blume for the patch!
</li>
<li>Issue #229: DATEDIFF does not work for 'WEEK'.
</li>
<li>Issue #156: Add support for getGeneratedKeys() when executing commands via PreparedStatement#executeBatch.
</li>
<li>Issue #195: The new Maven uses a .cmd file instead of a .bat file.
</li>
<li>Issue #212: EXPLAIN PLAN for UPDATE statement did not display LIMIT expression.
</li>
<li>Support OFFSET without LIMIT in SELECT.
</li>
<li>Improve error message for METHOD_NOT_FOUND_1/90087.
</li>
<li>CLOB and BLOB objects of removed rows were sometimes kept in the database file.
</li>
<li>Server mode: executing "shutdown" left a thread on the server.
</li>
<li>The condition "in(select...)" did not work correctly in some cases if the subquery had an "order by".
</li>
<li>Issue #184: The Platform-independent zip had Windows line endings in Linux scripts.
</li>
<li>Issue #186: The "script" command did not include sequences of temporary tables.
</li>
<li>Issue #115: to_char fails with pattern FM0D099.
</li>
</ul>

<h2>Version 1.4.190 Beta (2015-10-11)</h2>
<ul>
<li>Pull request #183: optimizer hints (so far without special SQL syntax).
</li>
<li>Issue #180: In MVCC mode, executing UPDATE and SELECT ... FOR UPDATE
    simultaneously silently can drop rows.
</li>
<li>PageStore storage: the cooperative file locking mechanism
    did not always work as expected (with very slow computers).
</li>
<li>Temporary CLOB and BLOB objects are now removed while the database is open
    (and not just when closing the database).
</li>
<li>MVStore CLOB and BLOB larger than about 25 MB: An exception could be thrown
    when using the MVStore storage.
</li>
<li>Add FILE_WRITE function. Patch provided by Nicolas Fortin
    (Lab-STICC - CNRS UMR 6285 and Ecole Centrale de Nantes)
</li>
</ul>

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